Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 31.8°F (-0.1°C) and a low of 19.6°F (-6.9°C).Humidity
The average relative humidity in January in Boston Run is 80%.Rainfall
In January, in Boston Run, Pennsylvania, the rain falls for 9.7 days. Throughout January, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in Boston Run, there are 171 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 12.7 days and typically aggregates up to 7.24" (184mm) of snow.Daylight
The average length of the day in January in Boston Run, Pennsylvania, is 9h and 38min.On the first day of January, sunrise is at 7:28 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:20 pm EST.
Sunshine
January and February, with an average of 4.3h of sunshine, are months with the least sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Boston Run?
How cold is January in Boston Run?
What is the average humidity in January in Boston Run?
How many days does it rain in January in Boston Run?
When does it snow the most in Boston Run?
How many days does it snow in January in Boston Run?
What is the average length of the day in January in Boston Run?
What time are sunrise and sunset in January in Boston Run?
What is the month with the least sunshine in Boston Run?
How long on average sun shines in January in Boston Run?
What is the month with the lowest UV index in Boston Run?
What is the UV index reading in January in Boston Run?
Average temperature in January
Boston Run, PA
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in January: 19.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in January
Boston Run, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Boston Run, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Boston Run, PA
- Average humidity in January: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Boston Run, PA
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in January
Boston Run, PA
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in January
Boston Run, PA
- Average snowfall in January: 7.24"
The month with the highest snowfall is January (7.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Boston Run, PA
- Average snowfall days in January: 12.7 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Boston Run, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in January
Boston Run, PA
- Average sunshine days in January: 12.9 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in January
Boston Run, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Boston Run, PA
- Average cloud cover in January: 53
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Boston Run, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Boston Run, Pennsylvania, USA
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